Mercurial > pyntnclick

annotate gamelib/widgets.py @ 398:1555677d86f6

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Dim non-interactive screen regions for "modal" stuff.
author Jeremy Thurgood <firxen@gmail.com>
date Sat, 28 Aug 2010 21:05:36 +0200
parents 41ee3fc71404
children c7a6846262e3
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1 # widgets.py
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2 # Copyright Boomslang team, 2010 (see COPYING File)
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3
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4 """Custom Albow widgets"""
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5
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6 import textwrap
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7
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8 import albow.controls
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9 import albow.menu
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10 from albow.resource import get_font, get_image
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11 from pygame.color import Color
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12 from pygame.rect import Rect
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13
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14 from constants import BUTTON_SIZE
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15 from cursor import CursorWidget
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16
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17
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18 class BoomLabel(albow.controls.Label):
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19
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20 trim_line_top = 0
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21
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22 def __init__(self, text, width=None, **kwds):
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23 albow.controls.Label.__init__(self, text, width, **kwds)
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24 w, h = self.size
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25 h -= self.trim_line_top * len(self.text.split('\n'))
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26 self.size = (w, h)
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27
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28 def set_margin(self, margin):
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29 """Add a set_margin method that recalculates the label size"""
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30 old_margin = self.margin
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31 w, h = self.size
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32 d = margin - old_margin
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33 self.margin = margin
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34 self.size = (w + 2 * d, h + 2 * d)
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35
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36 def draw_all(self, surface):
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37 bg_color = self.bg_color
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38 self.bg_color = None
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39 if bg_color is not None:
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40 new_surface = surface.convert_alpha()
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41 new_surface.fill(bg_color)
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42 surface.blit(new_surface, surface.get_rect())
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43 albow.controls.Label.draw_all(self, surface)
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44 self._draw_all_no_bg(surface)
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45 self.bg_color = bg_color
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46
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47 def _draw_all_no_bg(self, surface):
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48 pass
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49
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50 def draw_with(self, surface, fg, _bg=None):
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51 m = self.margin
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52 align = self.align
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53 width = surface.get_width()
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54 y = m
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55 lines = self.text.split("\n")
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56 font = self.font
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57 dy = font.get_linesize() - self.trim_line_top
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58 for line in lines:
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59 image = font.render(line, True, fg)
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60 r = image.get_rect()
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61 image = image.subsurface(r.clip(r.move(0, self.trim_line_top)))
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62 r.top = y
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63 if align == 'l':
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64 r.left = m
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65 elif align == 'r':
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66 r.right = width - m
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67 else:
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68 r.centerx = width // 2
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69 surface.blit(image, r)
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70 y += dy
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71
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72
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73 class BoomButton(BoomLabel):
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74
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75 def __init__(self, text, action, screen):
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76 super(BoomLabel, self).__init__(text, font=get_font(20, 'Vera.ttf'))
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77 self.bg_color = (0, 0, 0)
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78 self.action = action
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79 self.screen = screen
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80
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81 def mouse_down(self, event):
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82 self.action()
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83 self.screen.state_widget.mouse_move(event)
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84
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85 def mouse_move(self, event):
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86 self.screen.state.highlight_override = True
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87
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88
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89 class MessageDialog(BoomLabel, CursorWidget):
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90
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91 def __init__(self, screen, text, wrap_width, style=None, **kwds):
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92 CursorWidget.__init__(self, screen)
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93 self.set_style(style)
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94 paras = text.split("\n\n")
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95 text = "\n".join([textwrap.fill(para, wrap_width) for para in paras])
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96 BoomLabel.__init__(self, text, **kwds)
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97
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98 def set_style(self, style):
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99 self.set_margin(5)
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100 self.border_width = 1
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101 self.border_color = (0, 0, 0)
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102 self.bg_color = (127, 127, 127)
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103 self.fg_color = (0, 0, 0)
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104 if style == "JIM":
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105 self.set(font=get_font(20, "Monospace.ttf"))
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106 self.trim_line_top = 10
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107 self.bg_color = Color(255, 175, 127, 191)
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108 self.fg_color = (0, 0, 0)
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109 self.border_color = (127, 15, 0)
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110
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111 def draw_all(self, surface):
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112 root_surface = self.get_root().surface
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113 overlay = root_surface.convert_alpha()
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114 overlay.fill(Color(0, 0, 0, 191))
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115 root_surface.blit(overlay, (0, 0))
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116 BoomLabel.draw_all(self, surface)
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117
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118 def _draw_all_no_bg(self, surface):
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119 CursorWidget.draw_all(self, surface)
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121 def mouse_down(self, event):
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122 self.dismiss()
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123
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124 def cursor_highlight(self):
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125 return False
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126
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127
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128 class HandButton(albow.controls.Image):
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129 """The fancy hand button for the widget"""
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130
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131 def __init__(self, action):
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132 # FIXME: Yes, please.
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133 this_image = get_image('items', 'hand.png')
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134 albow.controls.Image.__init__(self, image=this_image)
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135 self.action = action
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136 self.set_rect(Rect(0, 0, BUTTON_SIZE, BUTTON_SIZE))
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137
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138 def mouse_down(self, event):
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139 self.action()
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140
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141
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142 class PopupMenuButton(albow.controls.Button):
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143
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144 def __init__(self, text, action):
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145 albow.controls.Button.__init__(self, text, action)
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146
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147 self.font = get_font(16, 'Vera.ttf')
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148 self.set_rect(Rect(0, 0, BUTTON_SIZE, BUTTON_SIZE))
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149 self.margin = (BUTTON_SIZE - self.font.get_linesize()) / 2
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150
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151
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152 class PopupMenu(albow.menu.Menu, CursorWidget):
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153
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154 def __init__(self, screen):
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155 CursorWidget.__init__(self, screen)
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156 self.screen = screen
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157 self.shell = screen.shell
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158 items = [
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159 ('Resume Game', 'hide'),
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160 ('Quit Game', 'quit'),
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161 ('Exit to Main Menu', 'main_menu'),
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162 ]
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163 # albow.menu.Menu ignores title string
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164 albow.menu.Menu.__init__(self, None, items)
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165 self.font = get_font(16, 'Vera.ttf')
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166
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167 def show_menu(self):
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168 """Call present, with the correct position"""
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169 item_height = self.font.get_linesize()
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170 menu_top = 600 - (len(self.items) * item_height + BUTTON_SIZE)
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171 item = self.present(self.shell, (0, menu_top))
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172 if item > -1:
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173 # A menu item needs to be invoked
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174 self.invoke_item(item)
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175